{ "ocl_version": "0.1.0", "name": "Col de Finiels from Le Pont-de-Montvert", "slug": "col-de-finiels-from-le-pont-de-montvert", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 46.40071399254566, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "canopy_or_structure" ], "start_distance_m": 1867.0, "end_distance_m": 1869.0, "start_elevation_m": 1050.040352261562, "end_elevation_m": 1050.968366541413, "min_gradient_pct": -54.40065984665807, "suppressed_max_gradient_pct": 139.98100546250498, "suppressed_location_m": [ 5084.0, 5086.0 ], "suppressed_min_gradient_pct": -112.66297237780236, "suppressed_min_location_m": [ 5080.0, 5082.0 ] }, { "window_m": 3.0, "max_gradient_pct": 35.92369058012158, "diagnostic": true, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded" ], "start_distance_m": 897.0, "end_distance_m": 900.0, "start_elevation_m": 989.9164908171996, "end_elevation_m": 990.9942015346032, "min_gradient_pct": -48.93589147094796, "suppressed_max_gradient_pct": 93.50244036936601, "suppressed_location_m": [ 5083.0, 5086.0 ], "suppressed_min_gradient_pct": -95.3827512578755, "suppressed_min_location_m": [ 2253.0, 2256.0 ] }, { "window_m": 5.0, "max_gradient_pct": 26.584759271945586, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "suppression_unstable", "canopy_or_structure" ], "start_distance_m": 896.0, "end_distance_m": 901.0, "start_elevation_m": 989.8154469256742, "end_elevation_m": 991.1446848892715, "min_gradient_pct": -35.773932621682434, "suppressed_max_gradient_pct": 78.01229205346317, "suppressed_location_m": [ 2270.0, 2275.0 ], "suppressed_min_gradient_pct": -89.91403342548892, "suppressed_min_location_m": [ 2252.0, 2257.0 ] }, { "window_m": 10.0, "max_gradient_pct": 20.441865981636056, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min" ], "start_distance_m": 891.0, "end_distance_m": 901.0, "start_elevation_m": 989.1004982911079, "end_elevation_m": 991.1446848892715, "min_gradient_pct": -21.192985660291015, "suppressed_max_gradient_pct": 63.628947285344566, "suppressed_location_m": [ 2270.0, 2280.0 ], "suppressed_min_gradient_pct": -72.50533099612312, "suppressed_min_location_m": [ 2252.0, 2262.0 ] }, { "window_m": 20.0, "max_gradient_pct": 14.441013099042834, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 881.0, "end_distance_m": 901.0, "start_elevation_m": 988.2564822694629, "end_elevation_m": 991.1446848892715, "min_gradient_pct": -7.217081505098122, "suppressed_max_gradient_pct": 44.8118113011833, "suppressed_location_m": [ 2268.0, 2288.0 ], "suppressed_min_gradient_pct": -41.082870628343926, "suppressed_min_location_m": [ 2248.0, 2268.0 ] }, { "window_m": 25.0, "max_gradient_pct": 12.541714093702467, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 876.0, "end_distance_m": 901.0, "start_elevation_m": 988.0092563658459, "end_elevation_m": 991.1446848892715, "min_gradient_pct": -2.8261132637117043, "suppressed_max_gradient_pct": 37.01172431631767, "suppressed_location_m": [ 2269.0, 2294.0 ], "suppressed_min_gradient_pct": -32.23956168719178, "suppressed_min_location_m": [ 2243.0, 2268.0 ] }, { "window_m": 50.0, "max_gradient_pct": 9.646038091173523, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "no_bench_excluded_min", "canopy_or_structure" ], "start_distance_m": 851.0, "end_distance_m": 901.0, "start_elevation_m": 986.3216658436847, "end_elevation_m": 991.1446848892715, "min_gradient_pct": -1.135920069266831, "suppressed_max_gradient_pct": 21.582420294455915, "suppressed_location_m": [ 2268.0, 2318.0 ], "suppressed_min_gradient_pct": -12.974026540889554, "suppressed_min_location_m": [ 2218.0, 2268.0 ] }, { "window_m": 100.0, "max_gradient_pct": 8.282964185979608, "diagnostic": false, "flags": [ "structure_excluded", "structure_excluded_min", "no_bench_excluded", "canopy_or_structure" ], "start_distance_m": 801.0, "end_distance_m": 901.0, "start_elevation_m": 982.8617207032919, "end_elevation_m": 991.1446848892715, "min_gradient_pct": -0.6639924899386642, "suppressed_max_gradient_pct": 13.447792412169292, "suppressed_location_m": [ 2269.0, 2369.0 ], "suppressed_min_gradient_pct": -2.719531465820637, "suppressed_min_location_m": [ 2169.0, 2269.0 ] } ], "shape": { "ascent_concentration": 0.315, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 29.0, "shape_class": "sustained" }, "length_m": 10431.822986534838, "start_elevation_m": 927.68747844871, "end_elevation_m": 1542.606380494148, "endpoint_gain_m": 614.918902045438, "overall_gradient_pct": 5.89464471204277, "accumulated_ascent_m": 649.485797337399, "window_maxima": { "max_5m": { "gradient_pct": 26.584759271945586, "start_distance_m": 896.0, "end_distance_m": 901.0, "midpoint_distance_m": 898.5, "start_elevation_m": 989.8154469256742, "end_elevation_m": 991.1446848892715, "start_xy": [ 759850.4640456577, 6364047.682205696 ], "end_xy": [ 759850.8597428058, 6364052.666523479 ] }, "max_10m": { "gradient_pct": 20.441865981636056, "start_distance_m": 891.0, "end_distance_m": 901.0, "midpoint_distance_m": 896.0, "start_elevation_m": 989.1004982911079, "end_elevation_m": 991.1446848892715, "start_xy": [ 759850.0683485095, 6364042.697887911 ], "end_xy": [ 759850.8597428058, 6364052.666523479 ] }, "max_20m": { "gradient_pct": 14.441013099042834, "start_distance_m": 881.0, "end_distance_m": 901.0, "midpoint_distance_m": 891.0, "start_elevation_m": 988.2564822694629, "end_elevation_m": 991.1446848892715, "start_xy": [ 759849.276954213, 6364032.729252345 ], "end_xy": [ 759850.8597428058, 6364052.666523479 ] }, "max_25m": { "gradient_pct": 12.541714093702467, "start_distance_m": 876.0, "end_distance_m": 901.0, "midpoint_distance_m": 888.5, "start_elevation_m": 988.0092563658459, "end_elevation_m": 991.1446848892715, "start_xy": [ 759848.8812570649, 6364027.744934562 ], "end_xy": [ 759850.8597428058, 6364052.666523479 ] }, "max_50m": { "gradient_pct": 9.646038091173523, "start_distance_m": 851.0, "end_distance_m": 901.0, "midpoint_distance_m": 876.0, "start_elevation_m": 986.3216658436847, "end_elevation_m": 991.1446848892715, "start_xy": [ 759846.9027713238, 6364002.8233456435 ], "end_xy": [ 759850.8597428058, 6364052.666523479 ] }, "max_100m": { "gradient_pct": 8.282964185979608, "start_distance_m": 801.0, "end_distance_m": 901.0, "midpoint_distance_m": 851.0, "start_elevation_m": 982.8617207032919, "end_elevation_m": 991.1446848892715, "start_xy": [ 759835.3918556027, 6363954.729902402 ], "end_xy": [ 759850.8597428058, 6364052.666523479 ] } }, "window_minima": { "min_5m": { "gradient_pct": -35.773932621682434, "start_distance_m": 2206.0, "end_distance_m": 2211.0, "midpoint_distance_m": 2208.5, "start_elevation_m": 1071.102708298653, "end_elevation_m": 1069.3140116675688, "start_xy": [ 760191.5824981786, 6365144.8010571655 ], "end_xy": [ 760195.9471022503, 6365147.24036676 ] }, "min_10m": { "gradient_pct": -21.192985660291015, "start_distance_m": 2202.0, "end_distance_m": 2212.0, "midpoint_distance_m": 2207.0, "start_elevation_m": 1071.4809244283401, "end_elevation_m": 1069.361625862311, "start_xy": [ 760188.0908149212, 6365142.84960949 ], "end_xy": [ 760196.8200230647, 6365147.728228678 ] }, "min_20m": { "gradient_pct": -7.217081505098122, "start_distance_m": 2191.0, "end_distance_m": 2211.0, "midpoint_distance_m": 2201.0, "start_elevation_m": 1070.7574279685884, "end_elevation_m": 1069.3140116675688, "start_xy": [ 760178.4886859633, 6365137.483128382 ], "end_xy": [ 760195.9471022503, 6365147.24036676 ] }, "min_25m": { "gradient_pct": -2.8261132637117043, "start_distance_m": 2185.0, "end_distance_m": 2210.0, "midpoint_distance_m": 2197.5, "start_elevation_m": 1070.1182827796824, "end_elevation_m": 1069.4117544637545, "start_xy": [ 760173.2511610773, 6365134.555956868 ], "end_xy": [ 760195.074181436, 6365146.7525048405 ] }, "min_50m": { "gradient_pct": -1.135920069266831, "start_distance_m": 10381.0, "end_distance_m": 10431.0, "midpoint_distance_m": 10406.0, "start_elevation_m": 1543.1812519686569, "end_elevation_m": 1542.6132919340234, "start_xy": [ 761222.530357528, 6369718.143560214 ], "end_xy": [ 761182.2858619686, 6369747.770887273 ] }, "min_100m": { "gradient_pct": -0.6639924899386642, "start_distance_m": 10331.0, "end_distance_m": 10431.0, "midpoint_distance_m": 10381.0, "start_elevation_m": 1543.277284423962, "end_elevation_m": 1542.6132919340234, "start_xy": [ 761256.0598986611, 6369681.45623614 ], "end_xy": [ 761182.2858619686, 6369747.770887273 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 46.40071399254566, "start_distance_m": 1867.0, "end_distance_m": 1869.0, "midpoint_distance_m": 1868.0, "start_elevation_m": 1050.040352261562, "end_elevation_m": 1050.968366541413, "start_xy": [ 759973.5385805006, 6364999.0904608 ], "end_xy": [ 759973.485711804, 6365001.089761903 ] }, "max_3m": { "gradient_pct": 35.92369058012158, "start_distance_m": 897.0, "end_distance_m": 900.0, "midpoint_distance_m": 898.5, "start_elevation_m": 989.9164908171996, "end_elevation_m": 990.9942015346032, "start_xy": [ 759850.5431850873, 6364048.679069252 ], "end_xy": [ 759850.7806033762, 6364051.669659922 ] } }, "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.", "quality_summary": { "structure_suppression": { "masked_fraction": 0.018, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "minima_unresolved": [] }, "no_bench_suppression": { "masked_fraction": 0.025, "windows_resited": [ 2.0, 3.0, 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "windows_unresolved": [], "minima_resited": [ 10.0, 20.0, 25.0, 50.0 ], "minima_unresolved": [] }, "texture_windows": { "rounds": 0, "windows_masked": [], "advisory": [], "unresolved": [], "unstable": [ { "window_m": 5.0, "start_m": 896.0, "end_m": 901.0, "raw_pct": 26.58, "reason": "short-step", "perturbations": [ "phase+0.000/mask+0", "phase+0.333/mask+1", "phase+0.667/mask-1" ], "perturbation_reasons": [ "short-step", "short-step", "" ] } ] }, "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.126, "obstruction_max_height_m": 26.07, "flagged_windows_m": [ 2, 5, 20, 25, 50, 100 ] }, "excluded_ranges_m": [ [ 2080.0, 2150.0 ], [ 2213.0, 2220.0 ], [ 2243.0, 2302.0 ], [ 4653.0, 4708.0 ], [ 5078.0, 5088.0 ], [ 5522.0, 5545.0 ], [ 6216.0, 6247.0 ] ], "review": [], "extent": [ "may_start_earlier" ] }, "provenance": { "analysis_version": "0.1.0", "run_manifest": { "manifest_version": "1", "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1", "code_git_dirty": "false", "analysis_version": "0.1.0", "analysis_config_digest": "sha256:8c94015b54267da4", "python": "3.14.4", "numpy": "2.5.3", "rasterio": "1.5.1", "pyproj": "3.8.0", "laspy": "2.7.0", "shapely": "2.1.2", "pyosmium": "4.3.1", "libosmium": "2.23.1", "gdal": "3.12.4", "proj": "9.8.1", "run_id": "fr-mc6", "road_pbf": "block-batch-fr-mc6.osm.pbf", "region_key": "france", "crs": "EPSG:2154", "elevation_provider_key": "ign-lidarhd", "tile_index": "wms-grid", "authority": "bdtopo", "registry_pbf": "france-vosges-2026-09-16.osm.pbf", "tile_index_snapshot": "sha256:af4eae1f5df9e232" }, "sample_interval_m": 1.0, "interpolation": "bilinear", "smoothing": "none", "gradient_windows_m": [ 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "diagnostic_windows_m": [ 2.0, 3.0 ], "elevation_crs": "EPSG:2154", "elevation_resolution_m": 0.5, "elevation_tiles": [ "data/cache/fr/ign-lidarhd_dtm_E759-N6363_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E759-N6364_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E759-N6365_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E759-N6366_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E759-N6367_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E759-N6368_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6363_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6364_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6365_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6366_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6367_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6368_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E760-N6369_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E761-N6367_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E761-N6368_0m5@21LHD4MO-2024-12-13.tif", "data/cache/fr/ign-lidarhd_dtm_E761-N6369_0m5@21LHD4MO-2024-12-13.tif" ], "calculated_at": "2026-09-22T17:49:26+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc6.osm.pbf", "osm_snapshot": "", "run_id": "fr-mc6", "elevation_provider": "IGN LiDAR HD MNT 0.5 m", "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date", "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69", "elevation_vertical_datum": "IGN69", "elevation_tile_ids": [ "E759-N6363", "E759-N6364", "E759-N6365", "E759-N6366", "E759-N6367", "E759-N6368", "E760-N6363", "E760-N6364", "E760-N6365", "E760-N6366", "E760-N6367", "E760-N6368", "E760-N6369", "E761-N6367", "E761-N6368", "E761-N6369" ], "elevation_blocks": [ "21LHD4MO@2024-12-13" ], "ign_dalles": [ "LHD_FXX_0759_6364_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0759_6365_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0759_6366_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0759_6367_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0759_6368_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0759_6369_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6364_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6365_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6366_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6367_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6368_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6369_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0760_6370_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0761_6368_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0761_6369_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0761_6370_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD4MO" ], "ign_editions": [ "2024-12-13" ], "ign_dsm_edition": { "LHD_FXX_0759_6364_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0759_6365_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0759_6366_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0759_6367_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0759_6368_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0759_6369_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6364_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6365_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6366_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6367_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6368_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6369_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0760_6370_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0761_6368_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0761_6369_MNT_O_0M50_LAMB93_IGN69": "2024-12-13", "LHD_FXX_0761_6370_MNT_O_0M50_LAMB93_IGN69": "2024-12-13" }, "climb_origin": "named-pass", "structure_own_ways": 13, "structure_mask_ranges_m": [ [ 2248.9, 2275.1 ], [ 4658.6, 4689.5 ], [ 5527.7, 5540.8 ] ], "mask_basin_extension_m": 36.0, "suppression_unstable": [ 5.0 ], "carriageway": { "stations": 424, "stations_resolved": 424, "width_median_m": 6.0, "width_p10_m": 5.0, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.502, "unbounded_share": 0.498, "confidence_median": 0.509, "width_median_bounded_m": 6.0, "window_m": [ 876.0, 901.0 ], "width_at_max25_m": 1.25, "window_stations": 7, "single_track": false, "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule", "status": "ok", "source": "dtm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.12, "break_min_m": 0.3, "stations_failed": 0, "hedge_to_hedge": { "stations": 424, "stations_resolved": 424, "width_median_m": 7.75, "width_p10_m": 1.83, "width_min_m": 0.5, "width_max_m": 12.0, "bounded_share": 0.767, "unbounded_share": 0.233, "confidence_median": 1.0, "width_median_bounded_m": 7.0, "window_m": [ 876.0, 901.0 ], "width_at_max25_m": 1.0, "window_stations": 7, "status": "ok", "source": "dsm", "station_m": 25.0, "window_station_m": 5.0, "halfwidth_m": 6.0, "step_m": 0.25, "level_tol_m": 0.5, "break_min_m": 0.3, "stations_failed": 0 } }, "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Pont de Montvert - Sud Mont Loz\u00e8re", "county": "Loz\u00e8re", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }